Definitions

probably

[prob-uh-blee] / ˈprɒb ə bli /

ADVERB

likely to happen

Synonyms

STRONGEST

apparently doubtless no doubt perhaps possibly presumably seemingly

STRONG

believably plausibly

WEAK

as likely as not as the case may be assumably dollars to doughnuts expediently feasibly imaginably in all likelihood in all probability like enough maybe most likely one can assume perchance practicably presumptively reasonably to all appearances

Antonyms

STRONGEST

improbably uncertain unlikely

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

But unless you’re a space buff, you probably haven’t heard of Samuel C. Phillips, the Air Force lieutenant general who directed the Apollo program for the National Aeronautics and Space Administration starting in 1964.

From The Wall Street Journal • May 15, 2026

“Will plays things a lot more fast and loose in the moment than I do, and I think that’s probably necessarily with the types of characters we’re playing,” Bettany says.

From Los Angeles Times • May 15, 2026

You probably haven’t cast the deciding vote in a significant election, but we bet you’ve worn an “I voted” sticker.

From Slate • May 15, 2026

The exercise of writing it down is what turns a vague sense of “we’re probably fine” into actual numbers you can defend.

From MarketWatch • May 15, 2026

“He’ll probably feel bad and apologize after a while,” she tells me.

From "Keeping Pace" by Laurie Morrison

Vocabulary lists containing probably

Jim Burke's Academic Vocabulary List

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SHSAT: Language of the Test

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Cormac McCarthy's "The Road"

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